Cheap flights from London to Istanbul from €100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Istanbul departing on 28/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
07:00 - 13:55
LHR
-
IST
3h 55mdirect
British Airways Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
€160British Airways
Fri, 20 Mar - Fri, 20 Mar
British Airways Logo
17:10 - 00:05
LHR
-
IST
3h 55mdirect
British Airways Logo
07:35 - 09:05
IST
-
LHR
4h 30mdirect
€161British Airways
Tue, 17 Mar - Tue, 24 Mar
British Airways Logo
10:30 - 17:25
LHR
-
IST
3h 55mdirect
British Airways Logo
07:35 - 09:05
IST
-
LHR
4h 30mdirect
€162British Airways
Mon, 2 Mar - Tue, 17 Mar
British Airways Logo
18:30 - 00:20
LHR
-
IST
3h 50mdirect
British Airways Logo
15:40 - 17:50
IST
-
LHR
4h 10mdirect
€163British Airways
Sat, 2 May - Sun, 3 May
British Airways Logo
12:20 - 18:25
LHR
-
IST
4h 05mdirect
British Airways Logo
19:55 - 21:55
IST
-
LHR
4h 00mdirect
€163British Airways
Wed, 29 Apr - Tue, 12 May
Turkish Airlines Logo
16:35 - 23:25
LHR
-
IST
3h 50mdirect
Turkish Airlines Logo
13:50 - 14:55
IST
-
LHR
4h 05mdirect
€172Turkish Airlines
Thu, 5 Feb - Thu, 12 Feb
Turkish Airlines Logo
16:35 - 23:25
LHR
-
IST
3h 50mdirect
Turkish Airlines Logo
14:55 - 16:05
IST
-
LHR
4h 10mdirect
€173Turkish Airlines
Wed, 4 Feb - Wed, 11 Feb
British Airways Logo
18:05 - 01:00
LHR
-
IST
3h 55mdirect
British Airways Logo
07:35 - 09:05
IST
-
LHR
4h 30mdirect
€174British Airways
Wed, 4 Feb - Sat, 28 Feb
British Airways Logo
17:30 - 00:25
LHR
-
IST
3h 55mdirect
British Airways Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
€176British Airways
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
20:50 - 18:20
LHR
-
SAW
18h 30m
1 stop
Multiple Airlines Logo
09:20 - 14:45
SAW
-
LHR
8h 25m
1 stop
€226Multiple Airlines
Thu, 26 Feb - Mon, 2 Mar

Turkish Airlines flights from London to Istanbul

Our best Turkish Airlines deals on London to Istanbul flight tickets
Turkish Airlines
5 Feb
LHR16:35London Heathrow
3h 50m
IST23:25Istanbul
12 Feb
IST13:50Istanbul
4h 05m
LHR14:55London Heathrow
€172
Turkish Airlines
4 Feb
LHR16:35London Heathrow
3h 50m
IST23:25Istanbul
11 Feb
IST14:55Istanbul
4h 10m
LHR16:05London Heathrow
€173
Turkish Airlines
20 Jan
LHR22:35London Heathrow
3h 50m
IST05:25Istanbul
26 Jan
IST15:10Istanbul
4h 00m
LHR16:10London Heathrow
€194

Air Serbia flights from London to Istanbul

Our best Air Serbia deals on London to Istanbul flight tickets
Air Serbia
24 Feb
LHR13:20London Heathrow
23h 35m
1 stop
IST15:55Istanbul
26 Feb
IST05:20Istanbul
10h 00m
1 stop
LHR12:20London Heathrow
€189
Air Serbia
23 Mar
LHR13:20London Heathrow
11h 50m
1 stop
IST04:10Istanbul
24 Mar
IST17:35Istanbul
21h 45m
1 stop
LHR12:20London Heathrow
€190
Air Serbia
16 Feb
LHR13:20London Heathrow
11h 50m
1 stop
IST04:10Istanbul
2 Mar
IST05:30Istanbul
9h 50m
1 stop
LHR12:20London Heathrow
€191

momondo Fare Finder

 
Customise your flight search to find flights from London to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 16 January 2026.
Use the filters below to find and compare flights from London to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 20/3

07:00-13:55

Nonstop3h 55m

Istanbul

Fri 20/3

18:40-19:55

Nonstop4h 15m

€160

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 17/3

17:10-00:05

Nonstop3h 55m

Istanbul

Tue 24/3

07:35-09:05

Nonstop4h 30m

€161

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 2/3

10:30-17:25

Nonstop3h 55m

Istanbul

Tue 17/3

07:35-09:05

Nonstop4h 30m

€162

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 2/5

18:30-00:20

Nonstop3h 50m

Istanbul

Sun 3/5

15:40-17:50

Nonstop4h 10m

€163

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 29/4

12:20-18:25

Nonstop4h 05m

Istanbul

Tue 12/5

19:55-21:55

Nonstop4h 00m

€163

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/2

16:35-23:25

Nonstop3h 50m

Istanbul

Thu 12/2

13:50-14:55

Nonstop4h 05m

€172

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/2

16:35-23:25

Nonstop3h 50m

Istanbul

Wed 11/2

14:55-16:05

Nonstop4h 10m

€173

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/2

18:05-01:00

Nonstop3h 55m

Istanbul

Sat 28/2

07:35-09:05

Nonstop4h 30m

€174

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/3

17:30-00:25

Nonstop3h 55m

Istanbul

Mon 9/3

18:40-19:55

Nonstop4h 15m

€176

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Thu 26/2

20:50-18:20

1 stop18h 30m

Istanbul Sabiha Gokcen

Mon 2/3

09:20-14:45

1 stop8h 25m

€226

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from London to Istanbul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Istanbul?

What is the cheapest month to fly to Istanbul?

The month of January is another great option to travel to Istanbul, with average flight prices from London averaging around €96.

What is the cheapest day to depart on your flight to Istanbul?

The cheapest day to depart from London to Istanbul is on a Monday. Travellers who choose to depart for Istanbul on a Monday will often find tickets for as low as €97. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Istanbul for around €991.

What is the cheapest time of day to depart on your flight to Istanbul?

Our most recent data shows that the best time of day to fly to Istanbul is in the evening. Flights from London to Istanbul during this time can be as low as €259. Try not to purchase tickets in the afternoon because they tend to be around €604. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Istanbul flight route?

Fly from London Gatwick to Istanbul for the best London - Istanbul flight prices

How far in advance should I book a flight to Istanbul?

You are more likely to see cheaper flights to Istanbul from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around €258 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London for as low as €235 on momondo.

What cabin class options are available on London to Istanbul flights?

There are 2 cabin classes available to choose from on London to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London to Istanbul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Istanbul

Fastest flight time

6h 40m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from London to Istanbul takes 6h 40m
Direct flights go from London to Istanbul every day.
There are 2 airports in Istanbul. From London there are direct flights to Istanbul (IST).
  • How far is London to Istanbul by plane?

    The distance between London and Istanbul is about 2496.9 km. By plane, this route typically takes 6h 40m.

  • When did momondo last update prices for flights from London to Istanbul?

    Prices for flights from London to Istanbul are updated daily.

  • How old do you have to be to fly from London to Istanbul?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Istanbul.

  • What documentation or ID do you need to fly to Istanbul?

    The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Istanbul?

It is quick and easy to find London to Istanbul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Istanbul that suits you.

Can I find flights from London to Istanbul with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Istanbul flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Istanbul?

momondo provides multiple filters to help you find the best flight to Istanbul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Istanbul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Istanbul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sun 15/2
Sun 22/2

Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 33.6 km from Istanbul